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torch.compile (inductor)

PyTorch · python · MIT

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No package. Vendor the mirrored source: 37 lines, MIT.

30_Gemm_GroupNorm_Hardtanh.py
curl "https://kernelindex.com/api/v1/implementations/kernelbench-l2-30-gemm-groupnorm-hardtanh-torch-compile-inductor?include=source"
interfacepython · torch_compile_inductor
symbolModel.forward
Compatibility
measured onNVIDIA H100
declared hardwaredeclared only
architectures—
dtypes

Benchmark evidence

2 measurements across 1 GPU, fastest first.

Operation / workload
Hardware
Latency
Rank
Observed
Gemm GroupNorm Hardtanhfp32 · [1024, 8192]
NVIDIA H100
2.75ms±0.00
#1 of 2
2026-03-05
Gemm GroupNorm Hardtanhfp32 · [1024, 8192]
NVIDIA H100
4.80ms±0.01
#1 of 2
2026-03-05

Reported · How evidence levels are derived →

Source and license

sourceavailable
revision digestsha256:2168c82682ae10ffad101e86e167bbaca33697506d8bb59cbe1c8790c5817a0e
license declaredMIT
license concludedMIT
imported2026-08-26

Kernel source

30_Gemm_GroupNorm_Hardtanh.py37 lines
import torch
import torch.nn as nn

class Model(nn.Module):
    """
    Simple model that performs a GEMM, applies Group Normalization, and then HardTanh.
    """
    def __init__(self, in_features, out_features, num_groups, hardtanh_min, hardtanh_max):
        super(Model, self).__init__()
        self.gemm = nn.Linear(in_features, out_features)
        self.group_norm = nn.GroupNorm(num_groups, out_features)
        self.hardtanh = nn.Hardtanh(min_val=hardtanh_min, max_val=hardtanh_max)

    def forward(self, x):
        """
        Args:
            x (torch.Tensor): Input tensor of shape (batch_size, in_features).
        Returns:
            torch.Tensor: Output tensor of shape (batch_size, out_features).
        """
        x = self.gemm(x)
        x = self.group_norm(x)
        x = self.hardtanh(x)
        return x

batch_size = 1024
in_features = 8192
out_features = 8192
num_groups = 16
hardtanh_min = -2.0
hardtanh_max = 2.0

def get_inputs():
    return [torch.rand(batch_size, in_features)]

def get_init_inputs():
    return [in_features, out_features, num_groups, hardtanh_min, hardtanh_max]
scrolls · 37 lines total

Source code from KernelBench, © 2023 Anne Ouyang, Simon Guo, Azalia Mirhoseini (Scaling Intelligence Lab, Stanford University), MIT License · MIT

Best evidence level for this revision: reported

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